To make life easier for the average user, Ubuntu installed a link at /sbin/mount.ntfs to ntfs-3g, thus automatically mounting all ntfs drives with the ntfs-3g driver. Unfortunately this makes it impossible for you to use the classic driver. But you can fix this issue by changing the name of the link:

sudo mv /sbin/mount.ntfs{,-backup}

Then a simple mount will use the kernel driver by default. To revert to the default setup, use this command: